./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68bb6d7d6818d105c8d36601291f0fbd6a765091c35c37006c1280fceb3f620a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:29:27,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:27,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:27,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:27,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:27,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:27,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:27,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:27,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:27,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:27,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:27,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:27,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:27,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:27,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:27,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:27,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:27,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:27,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:27,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:27,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:27,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:27,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:27,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:27,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:27,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:27,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:27,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:27,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:27,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:27,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:27,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:27,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:27,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:27,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:27,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:27,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:27,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:27,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:27,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:27,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:27,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:29:27,278 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:27,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:27,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:29:27,280 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:29:27,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:27,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:27,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:27,282 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:27,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:29:27,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:27,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:27,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:29:27,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:27,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:29:27,285 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:27,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:29:27,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:27,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:29:27,286 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:27,286 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:27,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:27,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:27,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:27,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:27,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:29:27,288 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:29:27,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:29:27,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:29:27,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bb6d7d6818d105c8d36601291f0fbd6a765091c35c37006c1280fceb3f620a [2022-10-17 16:29:27,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:27,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:27,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:27,630 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:27,631 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:27,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c [2022-10-17 16:29:27,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/data/649f1d333/3d438990acf54b44a3b40dea10fa564f/FLAGc975ae5e3 [2022-10-17 16:29:28,236 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:28,237 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c [2022-10-17 16:29:28,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/data/649f1d333/3d438990acf54b44a3b40dea10fa564f/FLAGc975ae5e3 [2022-10-17 16:29:28,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/data/649f1d333/3d438990acf54b44a3b40dea10fa564f [2022-10-17 16:29:28,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:28,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:28,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:28,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:28,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:28,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481f3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28, skipping insertion in model container [2022-10-17 16:29:28,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:28,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:28,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c[597,610] [2022-10-17 16:29:28,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:28,887 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:28,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c[597,610] [2022-10-17 16:29:28,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:28,931 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:28,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28 WrapperNode [2022-10-17 16:29:28,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:28,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:28,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:28,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:28,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,979 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-10-17 16:29:28,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:28,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:28,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:28,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:28,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,999 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:29,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:29,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:29,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:29,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:29,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:29,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:29,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:29,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:29,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:29,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d95214d-9fe6-48c5-bb6b-4001132d3165/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:29:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:29:29,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:29,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:29,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:29:29,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:29:29,166 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:29,168 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:29,367 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:29,440 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:29,440 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:29:29,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:29 BoogieIcfgContainer [2022-10-17 16:29:29,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:29,468 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:29,468 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:29,480 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:29,480 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:29" (1/1) ... [2022-10-17 16:29:29,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:29:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:29,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2022-10-17 16:29:29,569 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-10-17 16:29:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:29:29,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:29,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:29,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:29:29,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:30,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:30,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-10-17 16:29:30,041 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-10-17 16:29:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:29:30,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:30,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:30,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:29:30,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:30,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:30,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:30,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:29:30,526 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:29:30,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:29:30,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:30,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:30,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:29:30,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:30,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:31,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2022-10-17 16:29:31,046 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2022-10-17 16:29:31,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:29:31,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:31,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:31,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:29:31,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:31,381 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:29:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:32,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2022-10-17 16:29:32,664 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2022-10-17 16:29:32,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:29:32,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:32,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:32,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:29:32,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:32,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2022-10-17 16:29:34,401 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2022-10-17 16:29:34,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:29:34,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:34,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:34,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:29:34,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:35,422 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:29:42,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:42,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 43 states and 98 transitions. [2022-10-17 16:29:42,796 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 98 transitions. [2022-10-17 16:29:42,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:29:42,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:42,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:42,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:29:42,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:29:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:44,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 44 states and 101 transitions. [2022-10-17 16:29:44,560 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 101 transitions. [2022-10-17 16:29:44,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:29:44,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:44,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:44,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:29:44,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:45,074 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:29:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:29:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 47 states and 114 transitions. [2022-10-17 16:29:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 114 transitions. [2022-10-17 16:29:48,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:29:48,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:48,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:48,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:29:48,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:48,866 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:52,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:52,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 51 states and 128 transitions. [2022-10-17 16:29:52,992 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 128 transitions. [2022-10-17 16:29:52,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:29:52,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:52,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:53,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:29:53,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:53,050 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:55,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:55,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 56 states and 153 transitions. [2022-10-17 16:29:55,101 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 153 transitions. [2022-10-17 16:29:55,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:29:55,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:55,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:55,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:29:55,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:29:56,408 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:30:01,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:01,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 60 states and 180 transitions. [2022-10-17 16:30:01,162 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 180 transitions. [2022-10-17 16:30:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:30:01,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:01,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:01,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:30:01,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:01,879 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:30:03,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:03,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 60 states and 171 transitions. [2022-10-17 16:30:03,930 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 171 transitions. [2022-10-17 16:30:03,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:30:03,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:03,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:04,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:30:04,097 INFO L286 TraceCheckSpWp]: Computing forward predicates...